inoculant vs inoculum

inoculant and inoculum both are nouns.

Word	Noun	Adjective	Verb	Adverb
inoculant	Yes	No	No	No
inoculum	Yes	No	No	No

As nouns, inoculant and inoculum are synonyms defined as:

inoculant and inoculum: a substance (a virus or toxin or immune serum) that is introduced into the body to produce or increase immunity to a particular disease

inoculant (noun)	inoculum (noun)
a substance (a virus or toxin or immune serum) that is introduced into the body to produce or increase immunity to a particular disease	a substance (a virus or toxin or immune serum) that is introduced into the body to produce or increase immunity to a particular disease